ignoring unknown properties on de-serializing process with JsonArrayFormat

Author: marenzo

msgpack-jackson/src/main/java/org/msgpack/jackson/dataformat/JsonArrayFormat.java

@@ -2,6 +2,7 @@
 
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.databind.introspect.Annotated;
+import com.fasterxml.jackson.databind.introspect.AnnotatedClass;
 import com.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector;
 
 import static com.fasterxml.jackson.annotation.JsonFormat.Shape.ARRAY;
@@ -17,6 +18,10 @@ public class JsonArrayFormat extends JacksonAnnotationIntrospector
 {
   private static final JsonFormat.Value ARRAY_FORMAT = new JsonFormat.Value().withShape(ARRAY);
 
+  /**
+   * Defines array format for serialized entities with ObjectMapper, without actually
+   * including the schema
+   */
   @Override
   public JsonFormat.Value findFormat(Annotated ann)
   {
@@ -28,4 +33,21 @@ public JsonFormat.Value findFormat(Annotated ann)
 
     return ARRAY_FORMAT;
   }
+
+  /**
+   * Defines that unknown properties will be ignored, and won't fail the un-marshalling process.
+   * Happens in case of de-serialization of a payload that contains more properties than the actual
+   * value type
+   */
+  @Override
+  public Boolean findIgnoreUnknownProperties(AnnotatedClass ac)
+  {
+    // If the entity contains JsonIgnoreProperties annotation, give it higher priority.
+    final Boolean precedenceIgnoreUnknownProperties = super.findIgnoreUnknownProperties(ac);
+    if (precedenceIgnoreUnknownProperties != null) {
+      return precedenceIgnoreUnknownProperties;
+    }
+
+    return true;
+  }
 }